Add support for Xilinx Zynq UltraScale+ MPSOC

The Xilinx Zynq UltraScale+ MPSOC containes a quad A53 cluster. This
patch adds the platform port for that SoC.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>

plat/xilinx/zynqmp/sip_svc_setup.c

+/*
+ * Copyright (c) 2013-2015, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* Top level SMC handler for SiP calls. Dispatch PM calls to PM SMC handler. */
+
+#include <runtime_svc.h>
+#include <uuid.h>
+#include "pm_svc_main.h"
+
+/* SMC function IDs for SiP Service queries */
+#define ZYNQMP_SIP_SVC_CALL_COUNT	0x8200ff00
+#define ZYNQMP_SIP_SVC_UID		0x8200ff01
+#define ZYNQMP_SIP_SVC_VERSION		0x8200ff03
+
+/* SiP Service Calls version numbers */
+#define SIP_SVC_VERSION_MAJOR	0
+#define SIP_SVC_VERSION_MINOR	1
+
+/* These macros are used to identify PM calls from the SMC function ID */
+#define PM_FID_MASK	0xf000u
+#define PM_FID_VALUE	0u
+#define is_pm_fid(_fid) (((_fid) & PM_FID_MASK) == PM_FID_VALUE)
+
+/* SiP Service UUID */
+DEFINE_SVC_UUID(zynqmp_sip_uuid,
+		0x2a1d9b5c, 0x8605, 0x4023, 0xa6, 0x1b,
+		0xb9, 0x25, 0x82, 0x2d, 0xe3, 0xa5);
+
+/**
+ * sip_svc_setup() - Setup SiP Service
+ *
+ * Invokes PM setup
+ */
+static int32_t sip_svc_setup(void)
+{
+	/* PM implementation as SiP Service */
+	pm_setup();
+
+	return 0;
+}
+
+/**
+ * sip_svc_smc_handler() - Top-level SiP Service SMC handler
+ *
+ * Handler for all SiP SMC calls. Handles standard SIP requests
+ * and calls PM SMC handler if the call is for a PM-API function.
+ */
+uint64_t sip_svc_smc_handler(uint32_t smc_fid,
+			     uint64_t x1,
+			     uint64_t x2,
+			     uint64_t x3,
+			     uint64_t x4,
+			     void *cookie,
+			     void *handle,
+			     uint64_t flags)
+{
+	/* Let PM SMC handler deal with PM-related requests */
+	if (is_pm_fid(smc_fid)) {
+		return pm_smc_handler(smc_fid, x1, x2, x3, x4, cookie, handle,
+				      flags);
+	}
+
+	switch (smc_fid) {
+	case ZYNQMP_SIP_SVC_CALL_COUNT:
+		/* PM functions + default functions */
+		SMC_RET1(handle, PM_API_MAX + 2);
+
+	case ZYNQMP_SIP_SVC_UID:
+		SMC_UUID_RET(handle, zynqmp_sip_uuid);
+
+	case ZYNQMP_SIP_SVC_VERSION:
+		SMC_RET2(handle, SIP_SVC_VERSION_MAJOR, SIP_SVC_VERSION_MINOR);
+
+	default:
+		WARN("Unimplemented SiP Service Call: 0x%x\n", smc_fid);
+		SMC_RET1(handle, SMC_UNK);
+	}
+}
+
+/* Register PM Service Calls as runtime service */
+DECLARE_RT_SVC(
+		sip_svc,
+		OEN_SIP_START,
+		OEN_SIP_END,
+		SMC_TYPE_FAST,
+		sip_svc_setup,
+		sip_svc_smc_handler);

plat/xilinx/zynqmp/tsp/tsp-zynqmp.mk

+# Copyright (c) 2014, ARM Limited and Contributors. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# Redistributions of source code must retain the above copyright notice, this
+# list of conditions and the following disclaimer.
+#
+# Redistributions in binary form must reproduce the above copyright notice,
+# this list of conditions and the following disclaimer in the documentation
+# and/or other materials provided with the distribution.
+#
+# Neither the name of ARM nor the names of its contributors may be used
+# to endorse or promote products derived from this software without specific
+# prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+
+# TSP source files specific to ZynqMP platform
+BL32_SOURCES		+=	plat/common/aarch64/platform_mp_stack.S		\
+				plat/xilinx/zynqmp/tsp/tsp_plat_setup.c

plat/xilinx/zynqmp/tsp/tsp_plat_setup.c

+/*
+ * Copyright (c) 2014, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <bl_common.h>
+#include <console.h>
+#include <debug.h>
+#include <platform_tsp.h>
+#include <xlat_tables.h>
+#include <plat_arm.h>
+#include "../zynqmp_def.h"
+#include "../zynqmp_private.h"
+
+/*
+ * The next 3 constants identify the extents of the code & RO data region and
+ * the limit of the BL32 image. These addresses are used by the MMU setup code
+ * and therefore they must be page-aligned.  It is the responsibility of the
+ * linker script to ensure that __RO_START__, __RO_END__ & & __BL32_END__
+ * linker symbols refer to page-aligned addresses.
+ */
+#define BL32_RO_BASE (unsigned long)(&__RO_START__)
+#define BL32_RO_LIMIT (unsigned long)(&__RO_END__)
+#define BL32_END (unsigned long)(&__BL32_END__)
+
+
+#if USE_COHERENT_MEM
+/*
+ * The next 2 constants identify the extents of the coherent memory region.
+ * These addresses are used by the MMU setup code and therefore they must be
+ * page-aligned.  It is the responsibility of the linker script to ensure that
+ * __COHERENT_RAM_START__ and __COHERENT_RAM_END__ linker symbols refer to
+ * page-aligned addresses.
+ */
+#define BL32_COHERENT_RAM_BASE (unsigned long)(&__COHERENT_RAM_START__)
+#define BL32_COHERENT_RAM_LIMIT (unsigned long)(&__COHERENT_RAM_END__)
+#endif
+
+/*******************************************************************************
+ * Initialize the UART
+ ******************************************************************************/
+void tsp_early_platform_setup(void)
+{
+	/*
+	 * Initialize a different console than already in use to display
+	 * messages from TSP
+	 */
+	console_init(ZYNQMP_UART0_BASE, zynqmp_get_uart_clk(),
+		     ZYNQMP_UART_BAUDRATE);
+
+	/* Initialize the platform config for future decision making */
+	zynqmp_config_setup();
+}
+
+/*******************************************************************************
+ * Perform platform specific setup placeholder
+ ******************************************************************************/
+void tsp_platform_setup(void)
+{
+	plat_arm_gic_driver_init();
+	plat_arm_gic_init();
+}
+
+/*******************************************************************************
+ * Perform the very early platform specific architectural setup here. At the
+ * moment this is only intializes the MMU
+ ******************************************************************************/
+void tsp_plat_arch_setup(void)
+{
+	arm_configure_mmu_el1(BL32_RO_BASE,
+			      (BL32_END - BL32_RO_BASE),
+			      BL32_RO_BASE,
+			      BL32_RO_LIMIT
+#if USE_COHERENT_MEM
+			      , BL32_COHERENT_RAM_BASE,
+			      BL32_COHERENT_RAM_LIMIT
+#endif
+			      );
+}

plat/xilinx/zynqmp/zynqmp_def.h

+/*
+ * Copyright (c) 2014-2016, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __ZYNQMP_DEF_H__
+#define __ZYNQMP_DEF_H__
+
+#include <common_def.h>
+
+/* Firmware Image Package */
+#define ZYNQMP_PRIMARY_CPU		0
+
+/* Memory location options for Shared data and TSP in ZYNQMP */
+#define ZYNQMP_IN_TRUSTED_SRAM		0
+#define ZYNQMP_IN_TRUSTED_DRAM		1
+
+/*******************************************************************************
+ * ZYNQMP memory map related constants
+ ******************************************************************************/
+
+#define ZYNQMP_TRUSTED_SRAM_BASE	0xFFFC0000
+#define ZYNQMP_TRUSTED_SRAM_SIZE	0x00040000
+#define ZYNQMP_TRUSTED_SRAM_LIMIT	(ZYNQMP_TRUSTED_SRAM_BASE + \
+					 ZYNQMP_TRUSTED_SRAM_SIZE)
+
+
+/* Location of trusted dram on the base zynqmp */
+#define ZYNQMP_TRUSTED_DRAM_BASE	0x30000000 /* Can't overlap TZROM area */
+#define ZYNQMP_TRUSTED_DRAM_SIZE	0x10000000
+#define ZYNQMP_TRUSTED_DRAM_LIMIT	(ZYNQMP_TRUSTED_DRAM_BASE + \
+					 ZYNQMP_TRUSTED_DRAM_SIZE)
+
+/* Aggregate of all devices in the first GB */
+#define DEVICE0_BASE		0xFF000000
+#define DEVICE0_SIZE		0x00E00000
+#define DEVICE1_BASE		0xF9000000
+#define DEVICE1_SIZE		0x01000000
+
+/* For cpu reset APU space here too 0xFE5F1000 CRF_APB*/
+#define CRF_APB_BASE		0xFD1A0000
+#define CRF_APB_SIZE		0x00600000
+
+/* CRF registers and bitfields */
+#define CRF_APB_RST_FPD_APU	(CRF_APB_BASE + 0X00000104)
+
+#define CRF_APB_RST_FPD_APU_ACPU_RESET		(1 << 0)
+#define CRF_APB_RST_FPD_APU_ACPU_PWRON_RESET	(1 << 10)
+
+/* CRL registers and bitfields */
+#define CRL_APB_BASE			0xFF5E0000
+#define CRL_APB_RPLL_CTRL		(CRL_APB_BASE + 0x30)
+#define CRL_APB_TIMESTAMP_REF_CTRL	(CRL_APB_BASE + 0x128)
+#define CRL_APB_RESET_CTRL		(CRL_APB_BASE + 0x218)
+
+#define CRL_APB_TIMESTAMP_REF_CTRL_CLKACT_BIT	(1 << 24)
+
+#define CRL_APB_RPLL_CTRL_BYPASS	(1 << 3)
+
+#define CRL_APB_RESET_CTRL_SOFT_RESET	(1 << 4)
+
+/* system counter registers and bitfields */
+#define IOU_SCNTRS_BASE			0xFF260000
+#define IOU_SCNTRS_CONTROL		(IOU_SCNTRS_BASE + 0)
+#define IOU_SCNTRS_BASEFREQ		(IOU_SCNTRS_BASE + 0x20)
+
+#define IOU_SCNTRS_CONTROL_EN		(1 << 0)
+
+/* APU registers and bitfields */
+#define APU_BASE		0xFD5C0000
+#define APU_CONFIG_0		(APU_BASE + 0x20)
+#define APU_RVBAR_L_0		(APU_BASE + 0x40)
+#define APU_RVBAR_H_0		(APU_BASE + 0x44)
+#define APU_PWRCTL		(APU_BASE + 0x90)
+
+#define APU_CONFIG_0_VINITHI_SHIFT	8
+#define APU_0_PWRCTL_CPUPWRDWNREQ_MASK		1
+#define APU_1_PWRCTL_CPUPWRDWNREQ_MASK		2
+#define APU_2_PWRCTL_CPUPWRDWNREQ_MASK		4
+#define APU_3_PWRCTL_CPUPWRDWNREQ_MASK		8
+
+/* PMU registers and bitfields */
+#define PMU_GLOBAL_BASE			0xFFD80000
+#define PMU_GLOBAL_CNTRL		(PMU_GLOBAL_BASE + 0)
+#define PMU_GLOBAL_REQ_PWRUP_STATUS	(PMU_GLOBAL_BASE + 0x110)
+#define PMU_GLOBAL_REQ_PWRUP_EN		(PMU_GLOBAL_BASE + 0x118)
+#define PMU_GLOBAL_REQ_PWRUP_DIS	(PMU_GLOBAL_BASE + 0x11c)
+#define PMU_GLOBAL_REQ_PWRUP_TRIG	(PMU_GLOBAL_BASE + 0x120)
+
+#define PMU_GLOBAL_CNTRL_FW_IS_PRESENT	(1 << 4)
+
+#define DRAM1_BASE		0x00000000ull
+#define DRAM1_SIZE		0x10000000ull
+#define DRAM1_END		(DRAM1_BASE + DRAM1_SIZE - 1)
+
+#define DRAM_BASE		DRAM1_BASE
+#define DRAM_SIZE		DRAM1_SIZE
+
+/* Load address of BL33 in the ZYNQMP port */
+#define PLAT_ARM_NS_IMAGE_OFFSET	(DRAM1_BASE + 0x8000000) /* DRAM + 128MB */
+
+/*******************************************************************************
+ * CCI-400 related constants
+ ******************************************************************************/
+#define PLAT_ARM_CCI_BASE		0xFD6E0000
+#define PLAT_ARM_CCI_CLUSTER0_SL_IFACE_IX	3
+#define PLAT_ARM_CCI_CLUSTER1_SL_IFACE_IX	4
+
+/*******************************************************************************
+ * GIC-400 & interrupt handling related constants
+ ******************************************************************************/
+#define BASE_GICD_BASE		0xF9010000
+#define BASE_GICC_BASE		0xF9020000
+#define BASE_GICH_BASE		0xF9040000
+#define BASE_GICV_BASE		0xF9060000
+
+#define IRQ_SEC_IPI_APU			67
+#define ARM_IRQ_SEC_PHY_TIMER		29
+
+#define ARM_IRQ_SEC_SGI_0		8
+#define ARM_IRQ_SEC_SGI_1		9
+#define ARM_IRQ_SEC_SGI_2		10
+#define ARM_IRQ_SEC_SGI_3		11
+#define ARM_IRQ_SEC_SGI_4		12
+#define ARM_IRQ_SEC_SGI_5		13
+#define ARM_IRQ_SEC_SGI_6		14
+#define ARM_IRQ_SEC_SGI_7		15
+
+#define MAX_INTR_EL3			128
+
+/*******************************************************************************
+ * UART related constants
+ ******************************************************************************/
+#define ZYNQMP_UART0_BASE		0xFF000000
+#define ZYNQMP_UART1_BASE		0xFF001000
+
+#define PLAT_ARM_CRASH_UART_BASE	ZYNQMP_UART0_BASE
+/* impossible to call C routine how it is done now - hardcode any value */
+#define	PLAT_ARM_CRASH_UART_CLK_IN_HZ	100000000 /* FIXME */
+
+/* Must be non zero */
+#define ZYNQMP_UART_BAUDRATE	115200
+#define ARM_CONSOLE_BAUDRATE	ZYNQMP_UART_BAUDRATE
+
+/* Silicon version detection */
+#define ZYNQMP_SILICON_VER_MASK		0xF000
+#define ZYNQMP_SILICON_VER_SHIFT	12
+#define ZYNQMP_CSU_VERSION_SILICON	0
+#define ZYNQMP_CSU_VERSION_EP108	1
+#define ZYNQMP_CSU_VERSION_VELOCE	2
+#define ZYNQMP_CSU_VERSION_QEMU		3
+
+#define ZYNQMP_RTL_VER_MASK		0xFF0
+#define ZYNQMP_RTL_VER_SHIFT		4
+
+#define ZYNQMP_PS_VER_MASK		0xF
+#define ZYNQMP_PS_VER_SHIFT		0
+
+#define ZYNQMP_CSU_BASEADDR		0xFFCA0000
+#define ZYNQMP_CSU_IDCODE_OFFSET	0x40
+
+#define ZYNQMP_CSU_IDCODE_XILINX_ID_SHIFT	0
+#define ZYNQMP_CSU_IDCODE_XILINX_ID_MASK	(0xFFF << ZYNQMP_CSU_IDCODE_XILINX_ID_SHIFT)
+#define ZYNQMP_CSU_IDCODE_XILINX_ID		0x093
+
+#define ZYNQMP_CSU_IDCODE_SVD_SHIFT		12
+#define ZYNQMP_CSU_IDCODE_SVD_MASK		(0xE << ZYNQMP_CSU_IDCODE_SVD_SHIFT)
+#define ZYNQMP_CSU_IDCODE_DEVICE_CODE_SHIFT	15
+#define ZYNQMP_CSU_IDCODE_DEVICE_CODE_MASK	(0xF << ZYNQMP_CSU_IDCODE_DEVICE_CODE_SHIFT)
+#define ZYNQMP_CSU_IDCODE_SUB_FAMILY_SHIFT	19
+#define ZYNQMP_CSU_IDCODE_SUB_FAMILY_MASK	(0x3 << ZYNQMP_CSU_IDCODE_SUB_FAMILY_SHIFT)
+#define ZYNQMP_CSU_IDCODE_FAMILY_SHIFT		21
+#define ZYNQMP_CSU_IDCODE_FAMILY_MASK		(0x7F << ZYNQMP_CSU_IDCODE_FAMILY_SHIFT)
+#define ZYNQMP_CSU_IDCODE_FAMILY		0x23
+
+#define ZYNQMP_CSU_IDCODE_REVISION_SHIFT	28
+#define ZYNQMP_CSU_IDCODE_REVISION_MASK		(0xF << ZYNQMP_CSU_IDCODE_REVISION_SHIFT)
+#define ZYNQMP_CSU_IDCODE_REVISION		0
+
+#define ZYNQMP_CSU_VERSION_OFFSET	0x44
+
+#endif /* __ZYNQMP_DEF_H__ */

plat/xilinx/zynqmp/zynqmp_private.h

+/*
+ * Copyright (c) 2014-2016, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef __ZYNQMP_PRIVATE_H__
+#define __ZYNQMP_PRIVATE_H__
+
+#include <interrupt_mgmt.h>
+
+void zynqmp_config_setup(void);
+
+/* ZynqMP specific functions */
+unsigned int zynqmp_get_uart_clk(void);
+int zynqmp_is_pmu_up(void);
+
+#endif /* __ZYNQMP_PRIVATE_H__ */